MOSCOW — Since he took over Crimea, President Vladimir Putin has seen his popularity soar and his opposition fall silent. So when the U.S. vice president told Russia to defuse tensions in Ukraine, Putin had few reasons to listen.
MOSCOW — Since he took over Crimea, President Vladimir Putin has seen his popularity soar and his opposition fall silent. So when the U.S. vice president told Russia to defuse tensions in Ukraine, Putin had few reasons to listen.